This is a 092-3130R-800 UVFS Protected Gold Spherical Plano-Concave Mirror, sourced from EKSMA Optics. The mirror has a diameter of 25.4 mm and a thickness of 6 mm at the edge. It is designed for use with a wavelength of 900nm and features a UVFS protected gold coating on the front surface, denoted as 'eks 0030protgold900'.
The mirror's geometry is spherical, with a radius of curvature (R1) of -800 mm, resulting in a focal length of -400 mm. This concave mirror is part of the Metallic Mirrors category, specifically designed for applications requiring high reflectivity and durability.
The mirror's Material ID is UVFS mal- 1965, and it is currently in stock, as indicated by the 'weblink status'. For more detailed information, you can refer to the vendor's website through the provided weblink.